Question

решите уравнение 5(2x-4)=17x-(2x+5)

Answer 1

(10x-20)=17x-2x-5
10x-20=15x-5
-20+5=15x-10x
-15=5x
x=-15/5=-3
Ответ -3

Answer 2

10X - 20 = 17X - 2X - 5 
10X - 20 = 15X - 5 
15X - 10X = - 20 + 5 
5X = - 15 
X = - 15 : 5 
X = - 3